大约有 6,700 项符合查询结果(耗时:0.0208秒) [XML]

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What's the need of array with zero elements?

...g *variable = (struct some_thing *)malloc(10 * sizeof(struct some_thing)); vs. struct some_thing *variable = malloc(10 * sizeof(*variable)); The second one is shorter, cleaner and clearly easier to change. – Shahbaz Feb 12 '13 at 13:05 ...
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AngularJS : The correct way of binding to a service properties

...es because the view is less coupled to the service? I.e., {{lastUpdated}} vs. {{timerData.lastUpdated}} – Mark Rajcok Apr 4 '13 at 0:27 2 ...
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Timer function to provide time in nano seconds using C++

...ated in http://msdn.microsoft.com/en-us/library/windows/desktop/ee417693(v=vs.85).aspx ...While QueryPerformanceCounter and QueryPerformanceFrequency typically adjust for multiple processors, bugs in the BIOS or drivers may result in these routines returning different values as the thread mo...
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When to use the brace-enclosed initializer?

...Note that I also commented on expectations regarding direct initialization vs brace initialization regarding e.g. perfect-forwarding functions.) std::string c("qux"); hasn't been specified to work as an in-class initialization to avoid ambiguities with member function declarations in the grammar. ...
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Why is require_once so bad to use?

... } ?> I didn't find much difference when running this with require vs. require_once. In fact, my initial tests seemed to imply that require_once was slightly faster, but I don't necessarily believe that. I repeated the experiment with 10000 input files. Here I did see a consistent differenc...
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Why are elementwise additions much faster in separate loops than in a combined loop?

...a point" of the truth. That's why I combined his test (using a continuous vs. separate allocation) and @James' Answer's advice. The graphs below shows, that most of the answers and especially the majority of comments to the question and answers can be considered completely wrong or true depending ...
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Byte order mark screws up file reading in Java

...provide the option to discard BOM by default. – MxLDevs Apr 30 '18 at 19:09  |  show 11 more comments ...
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How to read a (static) file from inside a Python package?

..._init__.py files to be added in resource subdirectories. The only downside vs pkgutil that I can see is that these new APIs haven't yet arrived in stdlib, so there is still a third-party dependency. Newer APIs from importlib_resources should arrive to stdlib importlib.resources in Python 3.9. Exampl...
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What is RSS and VSZ in Linux memory management

What are RSS and VSZ in Linux memory management? In a multithreaded environment how can both of these can be managed and tracked? ...
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Which is more preferable to use: lambda functions or nested functions ('def')?

... For n=1000 here's some timeit's of calling a function vs a lambda: In [11]: def f(a, b): return a * b In [12]: g = lambda x, y: x * y In [13]: %%timeit -n 100 for a in xrange(n): for b in xrange(n): f(a, b) ....: 100 loops, best of 3: 285 ms per loop In...